Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:32 2012

Optimize a model with 1 rows, 44 columns and 44 nonzeros
Model has 52 quadratic objective terms
Presolve time: 0.00s
Presolved: 53 rows, 96 columns, 200 nonzeros
Variable types: 0 continuous, 96 integer (96 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 0.000000e+00, 71 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    0.00000    0   10   20.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12   10.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   10    9.00000    0.00000   100%     -    0s
H  103    55                       7.0000000    0.00000   100%   4.6    0s
H  110    46                       6.0000000    0.00000   100%   4.5    0s
H  136    46                       5.0000000    0.00000   100%   5.6    0s
H  164    29                       4.0000000    1.00000  75.0%   7.4    0s

Cutting planes:
  Cover: 91
  MIR: 1

Explored 204 nodes (2112 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%